Home / 1,188,853.08-1,640,616.96-679,566.40

Finding the Fourth Proportional to 1,188,853.08, 1,640,616.96 and 679,566.40

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Solution

The fourth proportional to 1,188,853.08, 1,640,616.96 and 679,566.40 is: 937,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,853.08 : 1,640,616.96 = 679,566.40 : x
  2. Step 2: Convert to fraction form
    1,188,853.08/1,640,616.96 = 679,566.40/x
  3. Step 3: Cross multiply
    1,188,853.08x = 1,640,616.96 × 679,566.40
  4. Step 4: Simplify right side
    1,188,853.08x = 1,114,908,161,286.14
  5. Step 5: Solve for x
    x = 1,114,908,161,286.14/1,188,853.08
  6. Step 6: Final answer
    x = 937,801.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.